Home / 112,650.95-155,455.23-64,251.79

Finding the Fourth Proportional to 112,650.95, 155,455.23 and 64,251.79

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Solution

The fourth proportional to 112,650.95, 155,455.23 and 64,251.79 is: 88,665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,650.95 : 155,455.23 = 64,251.79 : x
  2. Step 2: Convert to fraction form
    112,650.95/155,455.23 = 64,251.79/x
  3. Step 3: Cross multiply
    112,650.95x = 155,455.23 × 64,251.79
  4. Step 4: Simplify right side
    112,650.95x = 9,988,276,792.36
  5. Step 5: Solve for x
    x = 9,988,276,792.36/112,650.95
  6. Step 6: Final answer
    x = 88,665.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.